3-Amino-6-(difluoromethyl)-2-iodo-4-methylpyridine
3-Amino-4-(chloromethyl)-2-(difluoromethyl)-5-nitropyridine
5-Amino-2-(difluoromethyl)-4-iodo-3-methylpyridine
3-Amino-2-(chloromethyl)-4-(difluoromethyl)-5-nitropyridine
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